<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="../../vue.js"></script>
</head>

<body>
  <div id="app">
    {{name}}
  </div>

</body>
<script>

  var user = {
    name: 'zhangsan',
    age: 18
  }

  var vm = new Vue({
    el: '#app',
    data: user,
    beforeCreate() {

      console.log('beforecreate', this.name)
    },
    created() {
      console.log('create', this.name)
      console.log(document.querySelector("#app"))
    },
    beforeMount() {

    },
    mounted() {
      console.log(document.querySelector("#app"))
      setTimeout(() => {
        this.$destroy();
      }, 3000)
    },
    beforeUpdate() {
      console.log('beforeUpdate')
    },
    updated() {
      console.log('updated')
    },
    beforeDestroy() {
      console.log('beforeDestory')
    }
    , destroyed() {
      console.log('destory')
    }

  })



</script>

</html>